For those who can't access the WaPo article, here is the embedded YouTube of the plaintiff and her attorney:

the defendant was the security company responsible for the building in Atlanta where she was raped six years ago when she was 14. she went there to visit a friend.

The actual perp, the security guard, this is not about him, he was convicted in 2014:

[....] The guard, Brandon Lamar Zachary, was 22.

Brandon Lamar Zachary (Clayton County Sheriff’s Office)

He was convicted of rape and sentenced to 20 years in prison — but, Cheston said, the security company that hired him never contacted her or apologized for what happened [....]

“It was a shocking moment; it was a beautiful moment,” she said of hearing the jury’s decision to award her $1 billion in damages in a lawsuit against the security company that hired her rapist. “It showed human kindness in its purest form.”

When it was all over on Tuesday, Cheston said, jurors hugged her and told her: “You’re worth something.” [....]

The Washington Post generally does not name victims of sexual assault, but Cheston identified herself Wednesday at a news conference.

She had filed a suit against the security company, Crime Prevention Agency, as well as the apartment complex and a property management company. In her complaint, she said she had emotional distress, pain and suffering, and depression.

The apartment complex, HACC Pointe South, and the property management company, Hammond Residential Group, were dismissed from the lawsuit, according to the Atlanta Journal-Constitution.

That left the Crime Prevention Agency as the sole defendant — the only entity on the hook for the $1 billion award [....]